Chimney-cowl



M. JEZVA.

CHIMNEY C0 WL.

APPLICATION FILED IuNE 4. 1920.

1,358,314, I Patented N0v.9,1920.

C1110: ne

e 1,358,314," 5 y y y A i Y i 1 Application fusa June e, 1920. seriaiNaiseasaa.y

` so.; .withthe rimprovedf cowl operatively Aposii UNITELD sfrAjrESPATENT OFFICE A innove., or' WALLIS.,` Texas. i

Zen` of Czechoslovakia, 'residing -at Wallis, in thecounty ofAustin andState of Texas,

.followingis a'ispeci-fication.` y

lllheA present invention has particular ref- Y erence to a chimney `cowlthat is revolubly` mounted upon the upper end Vcfa chimney, andhaving aweatherv vane carried-thereby toeifecta rotation thereof. i

provide `a chimney cowl having a manually ,i controlled spark arrestingloutlet ',Lthat is` shiftable to varyl'thesize of the outletV at willofthe operator;`

y With the above ELgeneral of theinvention is. better understood, the

lnfthe drawing, @wherein l like reference characters indicatecorresponding parts tioned thereon, Y y

Eig@ ,isa top plan view of the same with Vthe adjustable outlet of thecowl removed y .therefrom, 135.

F'g. 4' is a` fragmentary sectional view y showing the ball bearingconnection between the upper end lof the chimney and the cowl. e

Briey described, the present invention has for its primary object toprovide a cowl attachment for chimneys that is revolubly mounted uponthe upper end of the chimy ney, the meeting,edgesiof the chimney andcowl Vbeing `flanged and loosely clamped `to-` getherwith frictionbearing balls arranged between the meeting flanges. Y The cowl em-fbodies Van elbow pipefcarrying aV weather.v

vane to effect rotation thereof. `A controli,V lable outlet device isshiftably mountedin the outlet end of thefelbow, ,section andismanuallycontrolled by chainV vand sprocket` i Y mechanismfor varyingthe4 size of the out- 'specifiafionpf Lettersrtent. l

objects in view and'others that Vwill appear-as the natureCHIMNEY-'cown- Y Patented ofthe shiftable section to of sparks andcinders.

Nev. 9,1920. Y

lprevent theescape l `f Referring.` more `in V'detail to the accom ipanyingfdrawings there is illustrated r` a cowl attachment for chimneys,vembodying a chimney 5as bestillustratedA in Figsfl and lashaving aperipheral outwardlydiembodiesan elbow 1pipe 7 havingfan-*anel nularangle bracket- 8- secured to .the lower peripheral edge thereof with theouter wall Vrected flange 6 at its upper endnl :The cowl 8, overlyingthe chimney `flange 6, the flange .l i A further object'ofthe-inventionisto 6 'and wall SL lbeing provided with (opposed Y.

circular grooves `for the` reception of bearfV ving balls 9-jto reducevfriction `between the4 parts iand 7- and to permita free relative"revoluble movement thereof; :A bracket, of y the form bestillustratedvin Fig. v4: Vhas the leg 10 thereof,securedto the chimney.5y

while the Uf-shaped` extensionll carried by the` leg incloses the^iiangeit and, wall; 8f to maintain the, parts againstseparatingmovement, as; kclearly shown ing-Figs;` 1,5 3, and 4. 1* VTo effectrotation ofthe cowlorelbowV pipe 7 ujpon chhnaney` 5;; a; lweather vane"is mounted upon said elbow pipe and Y embodies a frame structureincluding a relatively e Y: y trated in ylfigtjgs;` 2 and 3 so that thewind enr, `liigj is a front elevational view of the device, and

gagingvthe faces of theblades 15 will eiect" line with the wind so thatthe'outlet end of the elbow pipe 7 is reversely positioned relative `tothe direction of the travel ofthe wind. f

the elbow pipe 7v for 'controlling the dis-V vcharge area thereof, andalso for arresting the flying sparks, and includes a segment` 1- Vshapedpipe section 16 open at each end and having' the apex thereof'providedwith bear` `ings 17,l as shown in Fig;x3secured"to the Y' shaft 18 thatisjournaledin brackets 19 se-` f pipe 7. The innerend of the segmentshaped eifect a shifting movement 'ofthe pipe sec `tion 16 a'lsprocketwheel 21M1iXed`5to the .11:10 i

Means isV associated withthe outlet endof outer endio the shaft 18 asVshown inA Fig. .3V n

is connected by a sprocket y chaipnl22 to the Y spro'cketwheel 23journaledA upon the shaft 24 carried by the lower end of the elbo'wfpipe7, an operating crank being received upon the end 24 of the sha-H724,and by rotating the sprocket wheel 23 in either direction,

such motion is communicated bythe chain 22 1 and wheel 21 to the shaft18 with a conse# cuentishifting` movement` of the pipe Section 16.

lVhen it is desired toicontrol; thefoutward Y drafto' 'the' chimney5,-'the segment :shaped Y pipe sect-ion 16 is'rmove'dineitherfdirection,

pipe 7, thus reducingthe draft area. The shifting of the pipe section'16 is 'manually controlled while theerevoluble shifting movements oftheelbowpipe 7 upon'the chimney rijisfent'irelyv automatic in its'operationand is controlledhy'f-the,weather vanerlf.,` The reti'culate'd' wall 20'closingy the outer encl of the pipe section? 1675 preventsl `the escape4of' Vlive sparks andrcin'ders.` 1

1 *While there' is herein Vshown"and"described the preferred'embodimentlof thepresent in- Vvention, it is'nevertheless toV beunderstood v 'Y thatniinor changes may vbe ymade therein withoutdeparting vfrom,l the` spirit and scope of the invention as claimed.

Whatisclaimedasvnew isp-"5' i A chimney cowll comprisingincombinationwith a chimney, an elbowl pipe sec# tion'revol'ulOly'IriountedY at its lower endV upon the'n upper* end of thechimney, a

i weather vane associated withsaid 4elbow pipe section, and anadjustable pipefsection in the outer end of: the elbow pipe arranged toVary the size of vthe outlet-of the, elbow pipe.l y [2.' f1ehimneycowlcomprising in combif nation with a chimney, an elbow pipesection revolubly mountedratits lower ende upon thek upper endy of thechimney, a weather vane A associated: withi said.V elbow.` pipe section,Y an adjustable pipe'section in' thel outer endloil the. elbow'pipefarrangedto'yary the .size ot the outlet of. thei elbowfpip'e, andmeans for'. shifting the adjustablefpipe: section.

f3; "A chimney cowl comprising in combination withy a chimney an elbowpipe section revolubly mounted at'itsloweriend'upon the upper end .ofthe chimney, ai weather vaneV associated with said elbow pipe`section,an adjustable pipe'section in the outerendof the elbow pipe,andchain and sprocket vmechanism associatedswith the adjustable Vpipesection and adapted tobe operatedtoshift said pipe section for varying.thesize` ofoutletv of theelbow pipe.: f

4)' A, chimney cowlf comprisinginfcombination with afchimney, an elbowpipel revolubly mountedy upon the upper end lott'he chimney, a. segment;shapedipipe' section: piylotfal'ly mountedat theV apex thereoinithelower side oiflthe` outlet endgofrthe elbow pipe7 chainandsprocketmechanism.'.azssci.V ated withv said pivot for manually shifting thepipesection'to Vary the Soutl'et areai of the .elbow'rpipe5i andi-reticulated wall Vclosing; the,outerendfofthejpipe section. -f

' Injtestimony' whereof I: aliX my' signature.

. j Jnz'ore.

